Ager, Derek Victor <br/><br/>
The nature of the stratigraphical record /  
by Derek. V. Ager 
 - New York :    London :    Wiley ;    Macmillan,    1973 
 - xiv, 114 p. :    ill. ;    23 cm. 
<br/><br/>  "A Halsted Press book" 
<br/><br/>Includes bibliographical references (p. 101-109) 
<br/><br/><label>ISBN: </label>0470009373 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Geology, Stratigraphic
<br/><br/><label>Dewey Class. No.: </label>551.7